Checking multiple columns for one value

Question

I have a table that has columns like this for example:

id,col1,col2,col3,col4

Now, I want to check if ANY of col1, col2,

Answer 1

You can use the IN predicate, like so:

SELECT * FROM table WHERE 123 IN(col1, col2, col3, col4);

SQL Fiddle Demo

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it's the opposite version of IN.

No it is not, It is the same as using the ORs the way you did in your question.

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To clarify this:

The predicate IN or set membership is defined as¹:

Where the Value Expression can be either ²:

So it is fine to do it this way, using the value expression 123, which is a literal.

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^{1, 2: Images from: SQL Queries for Mere Mortals(R): A Hands-On Guide to Data Manipulation in SQL}